Home / 1,678,523.85-2,518,529.90-879,615.45

Finding the Fourth Proportional to 1,678,523.85, 2,518,529.90 and 879,615.45

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Solution

The fourth proportional to 1,678,523.85, 2,518,529.90 and 879,615.45 is: 1,319,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,523.85 : 2,518,529.90 = 879,615.45 : x
  2. Step 2: Convert to fraction form
    1,678,523.85/2,518,529.90 = 879,615.45/x
  3. Step 3: Cross multiply
    1,678,523.85x = 2,518,529.90 × 879,615.45
  4. Step 4: Simplify right side
    1,678,523.85x = 2,215,337,806,928.88
  5. Step 5: Solve for x
    x = 2,215,337,806,928.88/1,678,523.85
  6. Step 6: Final answer
    x = 1,319,813.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.